Climate vs. weather: Extreme events narrow the doubtsParis (AFP) Aug 22, 2012
Heatwaves, drought and floods that have struck the northern hemisphere for the third summer running are narrowing doubts that man-made warming is disrupting Earth's climate system, say some scientists.
Climate experts as a group are reluctant to ascribe a single extreme event or season to global warming.
Weather, they argue, has to be assessed over far longer periods to confirm a shift in the climate and whether natural factors or fossil-fuel emissions are the cause.
But for some, such cauti ... read more

Why do the Caribbean Islands arc?
The Caribbean islands have been pushed east over the last 50 million years, driven by the movement of the Earth's viscous mantle against the more rooted South American continent, reveals new researc ... more

Climate and Drought Lessons from Ancient Egypt
Ancient pollen and charcoal preserved in deeply buried sediments in Egypt's Nile Delta document the region's ancient droughts and fires, including a huge drought 4,200 years ago associated with the ... more

Earthworms soak up heavy metal
Earthworms could be used to extract toxic heavy metals, including cadmium and lead, from solid waste from domestic refuse collection and waste from vegetable and flower markets, according to researc ... more

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